22128022 has 8 divisors (see below), whose sum is σ = 37933776. Its totient is φ = 9483432.

The previous prime is 22128019. The next prime is 22128061. The reversal of 22128022 is 22082122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790273 + ... + 790300.

It is an arithmetic number, because the mean of its divisors is an integer number (4741722).

Almost surely, 2^22128022 is an apocalyptic number.

22128022 is a deficient number, since it is larger than the sum of its proper divisors (15805754).

22128022 is a wasteful number, since it uses less digits than its factorization.

22128022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580582.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 22128022 is about 4704.0431545640. The cubic root of 22128022 is about 280.7464013926.

The spelling of 22128022 in words is "twenty-two million, one hundred twenty-eight thousand, twenty-two".